Refresh gateway runtime source import

scripts/test_terminal_pty_manager.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import os
+import sys
+import time
+
+REPO_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+sys.path.insert(0, os.path.join(REPO_ROOT, "resources", "scripts"))
+
+from terminal.pty_manager import PtySessionManager  # noqa: E402
+
+
+def fail(message: str) -> None:
+    print(f"FAIL: {message}", file=sys.stderr)
+    raise SystemExit(1)
+
+
+def wait_for_output(manager: PtySessionManager, terminal_id: str, needle: bytes) -> bytes:
+    deadline = time.time() + 5.0
+    while time.time() < deadline:
+        attach = manager.attach(terminal_id)
+        data = b"".join(chunk.data for chunk in attach.chunks)
+        if needle in data:
+            return data
+        time.sleep(0.05)
+    return b""
+
+
+def main() -> int:
+    manager = PtySessionManager(ring_chunks=16)
+    info = manager.open(command=["/bin/sh"], rows=12, cols=40)
+    terminal_id = info.terminal_id
+    try:
+        if not manager.write(terminal_id, b"printf 'NAPSEER_PTY_OK\\n'\n", input_seq=1):
+            fail("initial write was not accepted")
+        output = wait_for_output(manager, terminal_id, b"NAPSEER_PTY_OK")
+        if b"NAPSEER_PTY_OK" not in output:
+            fail("expected shell output was not captured")
+
+        resized = manager.resize(terminal_id, rows=30, cols=100)
+        if resized.rows != 30 or resized.cols != 100:
+            fail("resize metadata was not updated")
+
+        replay = manager.attach(terminal_id, last_output_seq=0)
+        if not replay.chunks:
+            fail("attach did not replay buffered output")
+
+        if manager.write(terminal_id, b"ignored\n", input_seq=1):
+            fail("duplicate input_seq was accepted")
+
+        listed = manager.list()
+        if not any(item.terminal_id == terminal_id for item in listed):
+            fail("terminal was not returned by list()")
+    finally:
+        manager.close(terminal_id)
+
+    if manager.list():
+        fail("terminal remained listed after close")
+
+    print("terminal PTY manager slice OK")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())